APPENDIX D  AIR QUALITY MONITORING RESULTS

 

Site: Lamma Power Station Extension

 

Month: January 2016

 

24 hour TSP Measurement:-

Date

TSP concentration (mg/m3)

Weather Information

(From Hong Kong Observatory)

Reservoir

 

(AM1)

East

Gate

(AM2)

Ash Lagoon

 

(AM3)

Tai Yuen Village

(AM4)

Mean Wind Speed

(km/hr)

Prevailing Wind Dir.

(°)

Mean R.H.

 

(%)

04/01/2016

31

18

13

79

16.9

050

90

10/01/2016

53

62

51

47

37.7

070

85

16/01/2016

32

33

30

29

40.0

060

95

22/01/2016

13

15

11

11

35.3

050

92

28/01/2016

11

12

13

6

28.8

060

98

 

1 hour TSP Measurement:-

Date

Time

TSP concentration (mg/m3)

Reservoir

(AM1)

East Gate

(AM2)

Ash Lagoon

(AM3)

04/01/2016

15:00-15:59

7

36

5

16:00-16:59

0

1

4

17:00-17:59

6

11

7

10/01/2016

15:00-15:59

59

62

71

16:00-16:59

66

95

76

17:00-17:59

75

112

69

16/01/2016

15:00-15:59

41

40

34

16:00-16:59

44

44

42

17:00-17:59

44

63

45

22/01/2016

15:00-15:59

10

21

21

16:00-16:59

19

27

26

17:00-17:59

4

23

20

28/01/2016

15:00-15:59

10

4

5

16:00-16:59

10

1

1

17:00-17:59

7

0

1

 

 

                                                                        1-hr TSP               24-hr TSP

                                                                         (mg/m3)                   (mg/m3)

Action Level                                                      340                         190

Limit Level                                                        500                         260

 

 

Calibration:          Calibration details are shown in appendix F.

 

 

Equipment used:

Location

1-hr TSP

24-hr TSP

Reservoir and East Gate

TEOM

High Volume Air Sampler

Ash Lagoon

TEOM

TEOM

Tai Yuen Village

-

MINIVOL Portable Sampler